/Engine/Source/Developer/SourceControl/Public/SourceControlHelpers.h
Query the source control state of the specified file, asynchronously.
static void AsyncQueryFileState ( [FQueryFileStateDelegate](API\Developer\SourceControl\USourceControlHelpers\FQueryFileStateDelegate) FileStateCallback, const [FString](API\Runtime\Core\Containers\FString) & InFile, bool bSilent )